Fault code lookup

PowertrainP1B45

Caution

Severity: Caution - get it checked when you can

GTOV battery voltage too low

13 brands affected · Description from BYD data.

Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions

Safety: This code relates to the charging system. The battery may go flat and the car may stall.

1What it means in plain English

The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.

2Common causes

  1. Sensor or actuator fault
  2. Wiring or connector fault
  3. Vacuum or intake leak
  4. Fuel or ignition problem
  5. Control module fault

3Can I drive?

Caution · drive with care

The electrical system may fail and the battery may go flat, risking a stall. If the battery or charging warning light is on, drive straight to a workshop.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 13

BrandCodeDescriptionSystem
BYDP1B45GTOV battery voltage too low BrandPowertrain
CheryP1B459 BMU fault BrandPowertrain
DaewooP1B45No description available Powertrain
EOBDP1B45ECU Kawalan Hibrid 1 BrandPowertrain
GMP1B45No description available Powertrain
HoldenP1B45Hybrid/EV Battery 33 Circuit Performance BrandPowertrain
MitsubishiP1B45B/P stroke sensor BrandPowertrain
OpelP1B45No description available Powertrain
PeugeotP1B45No description available Powertrain
ProtonP1B45B/P stroke sensor BrandPowertrain
SaabP1B45No description available Powertrain
MG (SAIC)P1B45Main Relay Driver Open Pin BrandPowertrain
SuzukiP1B45Hybrid Battery Cell Sensor Monitoring IC Cell Temperature/Voltage Error BrandPowertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Related codes

Browse Pxxx codes or P1B4xx codes.

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